21142269

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{41213}}^1$

素因数の和:41241

約数の個数: 16

約数和(自身を含む): 32971200

約数和(自身を除く): 11828931

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 41213, 123639, 370917, 783047, 1112751, 2349141, 7047423, 21142269]

約数ペア:

[(1, 21142269), (3, 7047423), (9, 2349141), (19, 1112751), (27, 783047), (57, 370917), (171, 123639), (513, 41213)]